diff options
Diffstat (limited to 'test/ruby/test_pack.rb')
| -rw-r--r-- | test/ruby/test_pack.rb | 260 |
1 files changed, 201 insertions, 59 deletions
diff --git a/test/ruby/test_pack.rb b/test/ruby/test_pack.rb index 8dbfd95809..ca089f09c3 100644 --- a/test/ruby/test_pack.rb +++ b/test/ruby/test_pack.rb @@ -1,24 +1,44 @@ # coding: US-ASCII +# frozen_string_literal: false require 'test/unit' +require 'rbconfig' +require 'rbconfig/sizeof' class TestPack < Test::Unit::TestCase + # Note: the size of intptr_t and uintptr_t should be equal. + J_SIZE = RbConfig::SIZEOF['uintptr_t'] + def test_pack - $format = "c2x5CCxsdils_l_a6"; + format = "c2x5CCxsdils_l_a6"; # Need the expression in here to force ary[5] to be numeric. This avoids # test2 failing because ary2 goes str->numeric->str and ary does not. ary = [1,-100,127,128,32767,987.654321098 / 100.0,12345,123456,-32767,-123456,"abcdef"] - $x = ary.pack($format) - ary2 = $x.unpack($format) + x = ary.pack(format) + ary2 = x.unpack(format) assert_equal(ary.length, ary2.length) assert_equal(ary.join(':'), ary2.join(':')) - assert_match(/def/, $x) + assert_match(/def/, x) + + x = [-1073741825] + assert_equal(x, x.pack("q").unpack("q")) + + x = [-1] + assert_equal(x, x.pack("l").unpack("l")) + end + + def test_ascii_incompatible + assert_raise(Encoding::CompatibilityError) do + ["foo"].pack("u".encode("UTF-32BE")) + end - $x = [-1073741825] - assert_equal($x, $x.pack("q").unpack("q")) + assert_raise(Encoding::CompatibilityError) do + "foo".unpack("C".encode("UTF-32BE")) + end - $x = [-1] - assert_equal($x, $x.pack("l").unpack("l")) + assert_raise(Encoding::CompatibilityError) do + "foo".unpack1("C".encode("UTF-32BE")) + end end def test_pack_n @@ -78,11 +98,11 @@ class TestPack < Test::Unit::TestCase assert_equal("\x01\x02\x03\x04", [0x01020304].pack("L"+mod)) assert_equal("\x01\x02\x03\x04\x05\x06\x07\x08", [0x0102030405060708].pack("q"+mod)) assert_equal("\x01\x02\x03\x04\x05\x06\x07\x08", [0x0102030405060708].pack("Q"+mod)) - psize = [nil].pack('p').bytesize - if psize == 4 + case J_SIZE + when 4 assert_equal("\x01\x02\x03\x04", [0x01020304].pack("j"+mod)) assert_equal("\x01\x02\x03\x04", [0x01020304].pack("J"+mod)) - elsif psize == 8 + when 8 assert_equal("\x01\x02\x03\x04\x05\x06\x07\x08", [0x0102030405060708].pack("j"+mod)) assert_equal("\x01\x02\x03\x04\x05\x06\x07\x08", [0x0102030405060708].pack("J"+mod)) end @@ -94,10 +114,11 @@ class TestPack < Test::Unit::TestCase assert_match(/\A\x00*\x01\x02\x03\x04\z/, [0x01020304].pack("I!"+mod)) assert_match(/\A\x00*\x01\x02\x03\x04\z/, [0x01020304].pack("l!"+mod)) assert_match(/\A\x00*\x01\x02\x03\x04\z/, [0x01020304].pack("L!"+mod)) - if psize == 4 + case J_SIZE + when 4 assert_match(/\A\x00*\x01\x02\x03\x04\z/, [0x01020304].pack("j!"+mod)) assert_match(/\A\x00*\x01\x02\x03\x04\z/, [0x01020304].pack("J!"+mod)) - elsif psize == 8 + when 8 assert_match(/\A\x00*\x01\x02\x03\x04\x05\x06\x07\x08\z/, [0x0102030405060708].pack("j!"+mod)) assert_match(/\A\x00*\x01\x02\x03\x04\x05\x06\x07\x08\z/, [0x0102030405060708].pack("J!"+mod)) end @@ -126,11 +147,11 @@ class TestPack < Test::Unit::TestCase assert_equal("\x04\x03\x02\x01", [0x01020304].pack("L"+mod)) assert_equal("\x08\x07\x06\x05\x04\x03\x02\x01", [0x0102030405060708].pack("q"+mod)) assert_equal("\x08\x07\x06\x05\x04\x03\x02\x01", [0x0102030405060708].pack("Q"+mod)) - psize = [nil].pack('p').bytesize - if psize == 4 + case J_SIZE + when 4 assert_equal("\x04\x03\x02\x01", [0x01020304].pack("j"+mod)) assert_equal("\x04\x03\x02\x01", [0x01020304].pack("J"+mod)) - elsif psize == 8 + when 8 assert_equal("\x08\x07\x06\x05\x04\x03\x02\x01", [0x0102030405060708].pack("j"+mod)) assert_equal("\x08\x07\x06\x05\x04\x03\x02\x01", [0x0102030405060708].pack("J"+mod)) end @@ -142,10 +163,11 @@ class TestPack < Test::Unit::TestCase assert_match(/\A\x04\x03\x02\x01\x00*\z/, [0x01020304].pack("I!"+mod)) assert_match(/\A\x04\x03\x02\x01\x00*\z/, [0x01020304].pack("l!"+mod)) assert_match(/\A\x04\x03\x02\x01\x00*\z/, [0x01020304].pack("L!"+mod)) - if psize == 4 + case J_SIZE + when 4 assert_match(/\A\x04\x03\x02\x01\x00*\z/, [0x01020304].pack("j!"+mod)) assert_match(/\A\x04\x03\x02\x01\x00*\z/, [0x01020304].pack("J!"+mod)) - elsif psize == 8 + when 8 assert_match(/\A\x08\x07\x06\x05\x04\x03\x02\x01\x00*\z/, [0x0102030405060708].pack("j!"+mod)) assert_match(/\A\x08\x07\x06\x05\x04\x03\x02\x01\x00*\z/, [0x0102030405060708].pack("J!"+mod)) end @@ -181,8 +203,8 @@ class TestPack < Test::Unit::TestCase end def test_integer_endian_explicit - _integer_big_endian('>') - _integer_little_endian('<') + _integer_big_endian('>') + _integer_little_endian('<') end def test_pack_U @@ -436,6 +458,7 @@ class TestPack < Test::Unit::TestCase # Note: q! and Q! should not work on platform which has no long long type. # Is there a such platform now? + # @shyouhei: Yes. gcc -ansi is one of such platform. s1 = [578437695752307201, -506097522914230529].pack("q!*") s2 = [578437695752307201, 17940646550795321087].pack("Q!*") assert_equal([578437695752307201, -506097522914230529], s2.unpack("q!*")) @@ -445,13 +468,11 @@ class TestPack < Test::Unit::TestCase assert_equal(8, [1].pack("Q").bytesize) assert_operator(8, :<=, [1].pack("q!").bytesize) assert_operator(8, :<=, [1].pack("Q!").bytesize) - end + end if RbConfig::CONFIG['HAVE_LONG_LONG'] def test_pack_unpack_jJ - # Note: we assume that the size of intptr_t and uintptr_t equals to the size - # of real pointer. - psize = [nil].pack("p").bytesize - if psize == 4 + case J_SIZE + when 4 s1 = [67305985, -50462977].pack("j*") s2 = [67305985, 4244504319].pack("J*") assert_equal(s1, s2) @@ -465,7 +486,7 @@ class TestPack < Test::Unit::TestCase assert_equal(4, [1].pack("j").bytesize) assert_equal(4, [1].pack("J").bytesize) - elsif psize == 8 + when 8 s1 = [578437695752307201, -506097522914230529].pack("j*") s2 = [578437695752307201, 17940646550795321087].pack("J*") assert_equal(s1, s2) @@ -547,6 +568,9 @@ class TestPack < Test::Unit::TestCase assert_equal([1, 2], "\x01\x00\x00\x02".unpack("C@3C")) assert_equal([nil], "\x00".unpack("@1C")) # is it OK? assert_raise(ArgumentError) { "\x00".unpack("@2C") } + + pos = RbConfig::LIMITS["UINTPTR_MAX"] - 99 # -100 + assert_raise(RangeError) {"0123456789".unpack("@#{pos}C10")} end def test_pack_unpack_percent @@ -632,6 +656,14 @@ EXPECTED end; end + def test_bug_18343 + bug18343 = '[ruby-core:106096] [Bug #18343]' + assert_separately(%W[- #{bug18343}], <<-'end;') + bug = ARGV.shift + assert_raise(ArgumentError, bug){[0].pack('c', {})} + end; + end + def test_pack_unpack_m0 assert_equal("", [""].pack("m0")) assert_equal("AA==", ["\0"].pack("m0")) @@ -685,6 +717,11 @@ EXPECTED assert_equal(["pre=hoge"], "pre=hoge".unpack("M")) assert_equal(["pre==31after"], "pre==31after".unpack("M")) assert_equal(["pre===31after"], "pre===31after".unpack("M")) + + bug = '[ruby-core:83055] [Bug #13949]' + s = "abcdef".unpack1("M") + assert_equal(Encoding::ASCII_8BIT, s.encoding) + assert_predicate(s, :ascii_only?, bug) end def test_pack_unpack_P2 @@ -744,54 +781,159 @@ EXPECTED end def test_pack_garbage - verbose = $VERBOSE - $VERBOSE = false - - assert_silent do + assert_raise(ArgumentError, %r%unknown pack directive '\*' in '\*U'$%) do assert_equal "\000", [0].pack("*U") end + end - $VERBOSE = true - - _, err = capture_io do - assert_equal "\000", [0].pack("*U") + def test_unpack_garbage + assert_raise(ArgumentError, %r%unknown unpack directive '\*' in '\*U'$%) do + assert_equal [0], "\000".unpack("*U") end + end + + def test_invalid_warning + assert_raise(ArgumentError, /unknown pack directive ',' in ','/) { + [].pack(",") + } + assert_raise(ArgumentError, /\A[ -~]+\Z/) { + [].pack("\x7f") + } + assert_raise(ArgumentError, /\A(.* in '\u{3042}'\n)+\z/) { + [].pack("\u{3042}") + } - assert_match %r%unknown pack directive '\*' in '\*U'$%, err - ensure - $VERBOSE = verbose + assert_raise(ArgumentError, /\A.* in '.*U'\Z/) { + assert_equal "\000", [0].pack("\0U") + } + assert_raise(ArgumentError, /\A.* in '.*U'\Z/) { + "\000".unpack("\0U") + } end - def test_unpack_garbage - verbose = $VERBOSE - $VERBOSE = false + def test_pack_resize + assert_separately([], <<-'end;') + ary = [] + obj = Class.new { + define_method(:to_str) { + ary.clear() + ary = nil + GC.start + "TALOS" + } + }.new - assert_silent do - assert_equal [0], "\000".unpack("*U") - end + ary.push(obj) + ary.push(".") - $VERBOSE = true + assert_raise_with_message(ArgumentError, /too few/) {ary.pack("AA")} + end; + end - _, err = capture_io do - assert_equal [0], "\000".unpack("*U") - end + def test_pack_with_buffer + buf = String.new(capacity: 100) + + assert_raise_with_message(FrozenError, /frozen/) { + [0xDEAD_BEEF].pack('N', buffer: 'foo'.freeze) + } + assert_raise_with_message(TypeError, /must be String/) { + [0xDEAD_BEEF].pack('N', buffer: Object.new) + } + + addr = [buf].pack('p') - assert_match %r%unknown unpack directive '\*' in '\*U'$%, err - ensure - $VERBOSE = verbose + [0xDEAD_BEEF].pack('N', buffer: buf) + assert_equal "\xDE\xAD\xBE\xEF", buf + + [0xBABE_F00D].pack('@4N', buffer: buf) + assert_equal "\xDE\xAD\xBE\xEF\xBA\xBE\xF0\x0D", buf + assert_equal addr, [buf].pack('p') + + [0xBAAD_FACE].pack('@10N', buffer: buf) + assert_equal "\xDE\xAD\xBE\xEF\xBA\xBE\xF0\x0D\0\0\xBA\xAD\xFA\xCE", buf + + assert_equal addr, [buf].pack('p') end - def test_invalid_warning - assert_warning(/unknown pack directive ',' in ','/) { - [].pack(",") + def test_unpack_with_block + ret = []; "ABCD".unpack("CCCC") {|v| ret << v } + assert_equal [65, 66, 67, 68], ret + ret = []; "A".unpack("B*") {|v| ret << v.dup } + assert_equal ["01000001"], ret + end + + def test_unpack1 + assert_equal 65, "A".unpack1("C") + assert_equal 68, "ABCD".unpack1("x3C") + assert_equal 0x3042, "\u{3042 3044 3046}".unpack1("U*") + assert_equal "hogefuga", "aG9nZWZ1Z2E=".unpack1("m") + assert_equal "01000001", "A".unpack1("B*") + end + + def test_unpack1_offset + assert_equal 65, "ZA".unpack1("C", offset: 1) + assert_equal "01000001", "YZA".unpack1("B*", offset: 2) + assert_nil "abc".unpack1("C", offset: 3) + assert_raise_with_message(ArgumentError, /offset can't be negative/) { + "a".unpack1("C", offset: -1) } - assert_warning(/\A[ -~]+\Z/) { - [].pack("\x7f") + assert_raise_with_message(ArgumentError, /offset outside of string/) { + "a".unpack1("C", offset: 2) } - assert_warning(/\A(.* in '\u{3042}'\n)+\z/) { - EnvUtil.with_default_external(Encoding::UTF_8) { - [].pack("\u{3042}") - } + assert_nil "a".unpack1("C", offset: 1) + end + + def test_unpack_offset + assert_equal [65], "ZA".unpack("C", offset: 1) + assert_equal ["01000001"], "YZA".unpack("B*", offset: 2) + assert_equal [nil, nil, nil], "abc".unpack("CCC", offset: 3) + assert_raise_with_message(ArgumentError, /offset can't be negative/) { + "a".unpack("C", offset: -1) + } + assert_raise_with_message(ArgumentError, /offset outside of string/) { + "a".unpack("C", offset: 2) } + assert_equal [nil], "a".unpack("C", offset: 1) + end + + def test_monkey_pack + assert_separately([], <<-'end;') + $-w = false + class Array + alias :old_pack :pack + def pack _; "oh no"; end + end + + v = [2 ** 15].pack('n') + + class Array + alias :pack :old_pack + end + + assert_equal "oh no", v + end; + end + + def test_monkey_pack_buffer + assert_separately([], <<-'end;') + $-w = false + class Array + alias :old_pack :pack + def pack _, buffer:; buffer << " no"; end + end + + def test + b = +"oh" + [2 ** 15].pack('n', buffer: b) + end + + v = test + + class Array + alias :pack :old_pack + end + + assert_equal "oh no", v + end; end end |